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- Danielsson, Nanette S.
(författare)
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Disturbed sleep and emotion : a developmental perspective
- 2013
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Sleep disturbances are not only defining features, but also diagnostic criteria for most psychiatric disorders. Recently, researchers have proposed a theoretic role for sleep disturbances in emotion dysregulation, subsequently linking neurobiological processes and psychopathology. Most prior research examining the potential role for sleep disturbance in emotion dysregulation is from a neurophysiological or clinical perspective, or primarily focused on maintaining processes. Less well understood are how sleep disturbances may be involved at the levels of predisposition, precipitation, and perpetuation of emotion dysregulation concurrently and over time.This dissertation presents findings from three studies that were designed to expand on what is known about sleep disturbance in the predisposition, precipitation, and perpetuation of emotion dysregulation. Study 1 examined the long-term relation between sleep-onset problems and neuroticism over twenty-years. Adolescent sleep-onset posed risk (predisposition) for neuroticism in midlife, not vice versa. Study 2 investigated the effects of 3-nights partial sleep deprivation (5-hours total time in bed) on the positive and negative affect and emotions of otherwise healthy adults. Following partial sleep deprivation, people reported significant reductions in positive affect and emotions compared to rested people (precipitation). The only impact on negative emotions was on the discrete level. Sleep deprived peo-ple reported significantly more irritability, loathing, hostility, and shakiness compared to controls. Study 3 measured adolescent sleep disturbances, depressive symptoms, and catastrophic worry. In addition to direct risk, sleep disturbances posed a non-gender specific risk for depressive symptoms one-year later through catastrophic worry (perpetuation). Overall, the results provide support for the role of sleep disturbances in the predis-position, precipitation, and perpetuation of emotion dysregulation. An implication is that sleep disturbances and catastrophic worry are two po-tentially modifiable markers of risk for emotion dysregulation.
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- Danielsson, Nanette S., et al.
(författare)
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Neuroticism and sleep-onset : What is the long-term connection?
- 2010
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Ingår i: Personality and Individual Differences. - Oxford, United Kingdom : Elsevier BV. - 0191-8869 .- 1873-3549. ; 48:4, s. 463-468
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Tidskriftsartikel (refereegranskat)abstract
- People with sleep-onset problems often experience neuroticism. To what extent the one problem leads to the other is unknown. We used self-reported data from a Swedish longitudinal project to examine developmental links between neuroticism and sleep-onset problems. A sample of 212 people, followed from birth to midlife, was part of a cohort study spanning 37 years. Adolescent neuroticism was measured at age 16 with the High School Personality Questionnaire (HSPQ, Form A) and in midlife at age 37 with the Eysenck Personality Questionnaire (EPQ). Sleep-onset problems were measured at ages 15 to 17, 25, and 37 with items developed for the Solna Project. Adolescent neuroticism failed to predict sleep-onset problems. Instead, sleep-onset problems in adolescence and young adulthood predicted midlife neuroticism. We found that sleep-onset problems during adolescence were a direct risk for midlife neuroticism, as well as, an indirect risk through continuance of sleep-onset problems into adulthood. This study provides longitudinal support for adolescent sleep-onset problems as a potent risk factor for heightened neuroticism in midlife. (PsycINFO Database Record (c) 2012 APA, all rights reserved)(journal abstract)
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- Danielsson, Nanette S., 1967-, et al.
(författare)
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Sleep Disturbance and Depressive Symptoms in Adolescence : The Role of Catastrophic Worry
- 2013
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Ingår i: Journal of Youth and Adolescence. - : Springer Science and Business Media LLC. - 0047-2891 .- 1573-6601. ; 42:8, s. 1223-1233
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Tidskriftsartikel (refereegranskat)abstract
- Depression is a common and debilitating disorder in adolescence. Sleep disturbances and depression often co-occur with sleep disturbances frequently preceding depression. The current study investigated whether catastrophic worry, a potential cognitive vulnerability, mediates the relationship between adolescent sleep disturbances and depressive symptoms, as well as whether there are gender differences in this relationship. High school students, ages 16-18, n = 1,760, 49 % girls, completed annual health surveys including reports of sleep disturbance, catastrophic worry, and depressive symptoms. Sleep disturbances predicted depressive symptoms 1-year later. Catastrophic worry partially mediated the relationship. Girls reported more sleep disturbances, depressive symptoms, and catastrophic worry relative to boys. The results, however, were similar regardless of gender. Sleep disturbances and catastrophic worry may provide school nurses, psychologists, teachers, and parents with non-gender specific early indicators of risk for depression. Several potentially important practical implications, including suggestions for intervention and prevention programs, are highlighted.
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- Jansson-Fröjmark, Markus, 1971-, et al.
(författare)
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Associations between psychological factors and night-time/daytime symptomatology in insomnia
- 2012
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Ingår i: Journal of Sleep Research. - : Wiley-Blackwell. - 0962-1105 .- 1365-2869. ; 21:Suppl. 1, s. 168-169
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: Cognitive models of insomnia underscore cognitive mechanisms as important in the maintenance of insomnia. The aim of this study was to examine psychological factors in insomnia and the association between psychological mechanisms with night-time and daytime symptoms.Methods: In a cross-sectional examination, participants (n = 2327) from a randomly selected sample of the general population completed a survey on demographic parameters, night-time symptoms, daytime impairment, health outcomes, and psychological factors intended to index five cognitive processes (Harvey, 2002). Excluding those with a sleep disorder other than insomnia, the study sample consisted of 1890 participants. Results: Relative to poor and normal sleepers, the insomnia group scored higher on worry, beliefs, physiologic arousal, monitoring/attentional bias, and safety behaviours relative to the other two groups, and the poor sleepers exhibited a similar pattern relative to the normal sleepers. High total wake time was associated with more worry, physiologic arousal, and safety behaviours (26.3% variance), low sleep restoration with more worry, unhelpful beliefs, and monitoring/attentional bias (28.2% variance), and low sleep quality with higher scores on all the psychological mechanisms (35.8% variance). Elevated daytime symptoms were related to more unhelpful beliefs and monitoring/attentional bias (44.3% variance).Conclusion: The findings show that psychological factors discriminate those with insomnia from those with poor or normal sleep. The results also indicate that psychological factors are linked to insomnia-specific night-time and daytime symptomatology.
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- Jansson-Fröjmark, Markus, et al.
(författare)
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Associations between psychological factors and nighttime/daytime symptomatology in insomnia
- 2012
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Ingår i: Cognitive Behaviour Therapy. - : Informa UK Limited. - 1650-6073 .- 1651-2316. ; 41:4, s. 273-287
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: The aim of this study was to examine psychological factors in insomnia and the association between psychological mechanisms and nighttime and daytime symptoms.Methods: A cross-sectional examination in the general population was used. The study sample consisted of 1890 participants from the general population. The participants completed a survey on nighttime and daytime symptoms, health outcomes, and psychological factors.Results: Relative to poor and normal sleepers, the insomnia group had higher scores on worry, beliefs, physiologic arousal, monitoring/attentional bias, and safety behaviors than the other two groups, and the poor sleepers exhibited a similar pattern relative to the normal sleepers. High total wake time was associated with more worry, physiologic arousal, and safety behaviors (26.3% variance), low sleep restoration with more worry, unhelpful beliefs, and monitoring/attentional bias (28.2% variance), and low sleep quality with higher scores on all the psychological mechanisms (35.8% variance). Elevated daytime symptoms were related to more unhelpful beliefs and monitoring/attentional bias (44.3% variance).Conclusion: The findings indicate that psychological factors are linked to nighttime and daytime symptomatology in insomnia.
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- Jansson-Fröjmark, Markus, et al.
(författare)
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Attentional bias in insomnia : the dot-probe task with pictorial stimuli depicting daytime fatigue/malaise
- 2013
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Ingår i: Cognitive Therapy and Research. - : Springer Science and Business Media LLC. - 0147-5916 .- 1573-2819. ; 37:3, s. 534-546
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Tidskriftsartikel (refereegranskat)abstract
- The purpose of this study was to examine whether individuals with primary insomnia (PI) have an attentional bias towards insomnia-specific stimuli, relative to normal sleepers (NS). Also, the aim was to determine if the attentional bias was characterized by vigilance or disengagement. A between-groups, matched design was employed. Forty-two individuals completed the study (PI = 21; NS = 21). Participants completed a dot-probe task with stimuli comprising insomnia-specific (fatigue/malaise) and neutral pictures. It was hypothesized that individuals with PI would show greater attentional bias to insomnia-specific stimuli compared with NS. An overall bias effect was noted. This effect was however not due to vigilance; taking into account the reaction times on neutral trials, the PI group and the NS group did not display significantly different results in reaction times to insomnia-specific pictures. On the contrary, the results suggest that the overall bias effect was due to disengagement; the PI group had significantly longer reaction times than the NS group when shifting away from the insomnia-specific pictures, relative to neutral-neutral picture presentations. The findings suggest that individuals with insomnia are not more vigilant than normal sleepers to insomnia-specific stimuli, but instead have greater difficulties in shifting away from such stimuli.
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- Jansson-Fröjmark, Markus, 1971-, et al.
(författare)
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Bidirectionality between pain and insomnia symptoms : a prospective study
- 2012
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Ingår i: British Journal of Health Psychology. - : Wiley-Blackwell. - 1359-107X .- 2044-8287. ; 17:2, s. 420-431
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: The purpose of this study was to investigate whether there is a bidirectional relationship between pain and insomnia symptoms over the course of a year.Design: A longitudinal design with a 1-year follow-up was used. Methods. From a randomly selected sample of the adult general population (N = 3,000), 1,746 individuals filled out a baseline and 1-year follow-up survey on pain, insomnia symptoms, anxiety symptoms, and depressive symptoms.Results: Pain (OR = 1.64) and anxiety symptoms increased the risk for the incidence of insomnia symptoms (R-2 =.125) and pain (OR = 1.98), anxiety symptoms and depressive symptoms were related to the persistence of insomnia symptoms (R-2 =.212). Gender and anxiety symptoms increased the risk for the incidence of pain (R-2 =. 073); and age, insomnia symptoms (OR= 1.49), anxiety symptoms, and depressive symptoms were associated with the persistence of pain (R-2 =.187).Conclusion: While pain was linked to future insomnia symptoms and insomnia symptoms to the persistence of pain over the course of a year, insomnia symptoms was not associated with the incidence of pain. The results, thus, partly argue against bidirectionality between pain and insomnia symptoms.
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